diff options
Diffstat (limited to 'drivers/rtc/sandbox_rtc.c')
-rw-r--r-- | drivers/rtc/sandbox_rtc.c | 65 |
1 files changed, 24 insertions, 41 deletions
diff --git a/drivers/rtc/sandbox_rtc.c b/drivers/rtc/sandbox_rtc.c index b08d758..77065e4 100644 --- a/drivers/rtc/sandbox_rtc.c +++ b/drivers/rtc/sandbox_rtc.c @@ -14,55 +14,38 @@ static int sandbox_rtc_get(struct udevice *dev, struct rtc_time *time) { - time->tm_sec = dm_i2c_reg_read(dev, REG_SEC); - if (time->tm_sec < 0) - return time->tm_sec; - time->tm_min = dm_i2c_reg_read(dev, REG_MIN); - if (time->tm_min < 0) - return time->tm_min; - time->tm_hour = dm_i2c_reg_read(dev, REG_HOUR); - if (time->tm_hour < 0) - return time->tm_hour; - time->tm_mday = dm_i2c_reg_read(dev, REG_MDAY); - if (time->tm_mday < 0) - return time->tm_mday; - time->tm_mon = dm_i2c_reg_read(dev, REG_MON); - if (time->tm_mon < 0) - return time->tm_mon; - time->tm_year = dm_i2c_reg_read(dev, REG_YEAR); - if (time->tm_year < 0) - return time->tm_year; - time->tm_year += 1900; - time->tm_wday = dm_i2c_reg_read(dev, REG_WDAY); - if (time->tm_wday < 0) - return time->tm_wday; + u8 buf[7]; + int ret; + + ret = dm_i2c_read(dev, REG_SEC, buf, sizeof(buf)); + if (ret < 0) + return ret; + + time->tm_sec = buf[REG_SEC - REG_SEC]; + time->tm_min = buf[REG_MIN - REG_SEC]; + time->tm_hour = buf[REG_HOUR - REG_SEC]; + time->tm_mday = buf[REG_MDAY - REG_SEC]; + time->tm_mon = buf[REG_MON - REG_SEC]; + time->tm_year = buf[REG_YEAR - REG_SEC] + 1900; + time->tm_wday = buf[REG_WDAY - REG_SEC]; return 0; } static int sandbox_rtc_set(struct udevice *dev, const struct rtc_time *time) { + u8 buf[7]; int ret; - ret = dm_i2c_reg_write(dev, REG_SEC, time->tm_sec); - if (ret < 0) - return ret; - ret = dm_i2c_reg_write(dev, REG_MIN, time->tm_min); - if (ret < 0) - return ret; - ret = dm_i2c_reg_write(dev, REG_HOUR, time->tm_hour); - if (ret < 0) - return ret; - ret = dm_i2c_reg_write(dev, REG_MDAY, time->tm_mday); - if (ret < 0) - return ret; - ret = dm_i2c_reg_write(dev, REG_MON, time->tm_mon); - if (ret < 0) - return ret; - ret = dm_i2c_reg_write(dev, REG_YEAR, time->tm_year - 1900); - if (ret < 0) - return ret; - ret = dm_i2c_reg_write(dev, REG_WDAY, time->tm_wday); + buf[REG_SEC - REG_SEC] = time->tm_sec; + buf[REG_MIN - REG_SEC] = time->tm_min; + buf[REG_HOUR - REG_SEC] = time->tm_hour; + buf[REG_MDAY - REG_SEC] = time->tm_mday; + buf[REG_MON - REG_SEC] = time->tm_mon; + buf[REG_YEAR - REG_SEC] = time->tm_year - 1900; + buf[REG_WDAY - REG_SEC] = time->tm_wday; + + ret = dm_i2c_write(dev, REG_SEC, buf, sizeof(buf)); if (ret < 0) return ret; |